COSTAIN GROUP PLC — Board/Management Information 2026

May 18, 2026

National Storage Mechanism | Additional information

RNS Number : 7187E

Costain Group PLC

18 May 2026

 

Costain Group PLC ('Costain')

LEI: 213800PKIJBZ2EDTKC88

18 May 2026

External Appointment

Further to the announcement by Harworth Group plc ('Harworth') released earlier today and in accordance with UK Listing Rule 6.4.9R(2), Costain announces that Tony Quinlan, Non-Executive Director, will be appointed as Independent Non-Executive Director of Harworth with effect from 1 June 2026.  On appointment Mr Quinlan will join Harworth's Audit and Remuneration Committees.

Tony is Senior Independent Director, Chair of the Costain Audit and Risk Committee and a member of all Costain Board Committees.

Enquiries
Investors and analysts	[email protected]
Matthew Jones, Costain	+44 (0) 7860 922 341
Company Secretariat	[email protected]
Katie Mullins	+44 (0) 7353 006 675
Cyd Trumper	+44 (0) 7879 133 084
Notes to editors

Costain improves people's lives by creating connected, sustainable infrastructure that enables people and the planet to thrive. Through the delivery of predictable, best-in-class solutions across the transport, water, energy and defence markets, we are creating a sustainable future and securing a more prosperous, resilient and decarbonised UK.

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